Sunita

Last seen: presque 2 ans il y a | Actif depuis 2023

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Why best performance MSE does not align with final MSE?
ANN model outputs The model stopped at epoch 22 with an MSE of 0.0242 The best performance was observed at epoch 16 with an MS...

presque 2 ans il y a | 1 réponse | 0

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Question

Why doesn't the Artificial Neural Network stop training at the point where it achieves the best performance indicated by the lowest MSE on the performance plot?
Why doesn't the Artificial Neural Network stop training at the point where it achieves the best performance indicated by the low...

presque 2 ans il y a | 1 réponse | 0

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Question

what could be the reason to get negative predicted output for new dataset?
what could be the reason to get negative predicted output for new dataset?

presque 2 ans il y a | 1 réponse | 0

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Question

I have to optimise an objective function within defined limits
I have to optimise an objective function within defined limits. However, using problem-based optimization, I can only set the lo...

presque 2 ans il y a | 1 réponse | 0

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Question

When testing an ANN with new input data, are there specific ranges I should consider for these new inputs?"
When testing an ANN with new input data, are there specific ranges I should consider for these new inputs?"

presque 2 ans il y a | 1 réponse | 0

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Question

How to use trained ANN with new input datasets?
How to use trained ANN with new input datasets?

presque 2 ans il y a | 1 réponse | 0

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Question

ANN not giving quite favorable results with the new dataset
The performance of the Artificial Neural Network (ANN) seems promising based on the training,validation and test data, but it's ...

presque 2 ans il y a | 1 réponse | 0

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How to find the optimum number of neurons and hidden layers for ANN?
How to find the optimum number of neurons and hidden layers for ANN?

presque 2 ans il y a | 2 réponses | 0

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Question

Good R-value (>0.98), bad MSE (>900) and very bad R2 (<0.70) in ANN. What does it mean?
Good R-value (>0.98), bad MSE (>900) and very bad R2 (<0.70) in ANN. What does it mean?

presque 2 ans il y a | 1 réponse | 0

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Question

How to open neural network training screen?
i accidently closed the neural netwok training screen, any idea how to reopen it from "net.mat" file

presque 2 ans il y a | 1 réponse | 0

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Question

Why is the R-value 0.95 for raw data but drops to 0.85 for normalized data in ANN?
Why is the R-value 0.95 for raw data but drops to 0.85 for normalized data in ANN ? does it happen or am I doing something wro...

presque 2 ans il y a | 1 réponse | 0

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Question

Is normalization necessary for input and output data in an Artificial Neural Network (ANN)? Does it impact the network's performance?
Is normalization necessary for input and output data in an Artificial Neural Network (ANN)? Does it impact the network's perform...

presque 2 ans il y a | 1 réponse | 0

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Question

Can we generate best fitted nonlinear equation between 4 inputs and 1 output, if we dont know the equation initially
Can we generate best fitted nonlinear equation between 4 inputs and 1 output, if we dont know the equation initially

presque 2 ans il y a | 3 réponses | 0

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Question

Why value from predicted value from the regression equation and predicted value directly from matlab are not matching?
I ploted the regression model using following codes (4 input P,V,T,H, and 1 output,TS) X = [P, T, V, H, P.*T, P.*V, P.*H, T.*...

presque 2 ans il y a | 1 réponse | 0

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Question

In case of multiple output in ANN ,what does R value represent?
I have 4 inputs and 3 outputs , I am getting only one regression (R-value) , how this is calculated out of 3 outputs?

presque 2 ans il y a | 1 réponse | 0

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Question

How to know if ANN is giving good results?
The ANN's R value appears satisfactory, yet the performance curve doesn't seem favorable. Can someone clarify what this indicate...

presque 2 ans il y a | 1 réponse | 0

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Question

What is use of regression model in ANN?
What is use of regression model in ANN, for instance I am getting the model something like this: "Output = 0.71 * Target + 1.8"....

presque 2 ans il y a | 1 réponse | 0

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Question

Can I define the relationship between input and output using the raw experimental data in MATLAB. somthing like this .
Can I define the relationship between input and output using the raw experimental data in MATLAB. somthing like this .

presque 2 ans il y a | 1 réponse | 0

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Question

How to get relationship between input variables and output through ANN
How to get the relationship between input variables and output through ANN. I have 4 input variables and 1 output. From the regr...

presque 2 ans il y a | 1 réponse | 0

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Question

I have 4 inputs (P,T,V,H) and 1 output (TS). I want to optimize for TS (maximize in this case). Can I use PSO for this purpose
I have 4 inputs (P,T,V,H) and 1 output (TS). I want to optimize for TS (maximize in this case). Can I use PSO for this purpose. ...

presque 2 ans il y a | 1 réponse | 0

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Question

Can I upload excel input and output data in PSO to define objective
Can I upload excel input and output data in PSO to define objective

presque 2 ans il y a | 1 réponse | 0

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Réponse apportée
how to see training, validation and test regression lot in ANN
I am getting R-total plot from plotregression(T, Y) . I need this (see attach)

presque 2 ans il y a | 0

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what is best way of data cleaning for the good prediction through ANN
what is best way of data cleaning for the good prediction through ANN

presque 2 ans il y a | 1 réponse | 0

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Question

how to see training, validation and test regression lot in ANN
how to see training, validation and test regression lot in ANN

presque 2 ans il y a | 1 réponse | 0

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Question

how to know stopped epoch value in ANN
I accidentaly closed the neural network training window , Now I am not able to find the stoped epoch value. Is there any other ...

presque 2 ans il y a | 1 réponse | 0

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Question

Error percentage calculated in excel and matlab not matching. why?
I calculated error percentage for actual and predicted after ANN implementation using below code. Same I calculted using excel. ...

presque 2 ans il y a | 1 réponse | 0

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Question

why my predicted output is negative in ANN.
why my predicted output is negative in ANN. there is no negative value in the data. x = input'; t = output'; trainFcn = '...

presque 2 ans il y a | 1 réponse | 0

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Question

how to reload saved ANN model in workspace properly
I am not able to load the saved ANN model on the workspace . The "net" file does not appear only input , output and results. (ch...

presque 2 ans il y a | 2 réponses | 0

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Question

how to load a saved ANN model in neural network fitting window
how to load a saved ANN model in neural network fitting window

presque 2 ans il y a | 1 réponse | 0

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Question

How ANN model deals with missing input data?
I am new to matlab ANN, It will be very helpfull if somone can calrify these queries : 1) How ANN model deals with missing inpu...

presque 2 ans il y a | 1 réponse | 0

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